Small issue with freezes on connection to the web

Hi, as the title goes

I have 3 sec freezes when i connect to the web .had it sience about a mounth or so.

my spec are : XP\SP4 with NIS 2011 and 8MB DSL connection

Iam a little worried it could be an indication of a spyware

so if anyone had it  or got a helpful tip

it would be appreciated

Garry